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Osteoblast Control Of Mesenchymal Progenitor Cell Differentiation: The Role Of Glucocorticoids And Wnt Signalling.
Funder
National Health and Medical Research Council
Funding Amount
$443,131.00
Summary
Osteoporosis is an important and growing health issue. Reduced ability to make new bone is an important cause of osteoporosis. In this project we will study how the immature cells which eventually make bone are recruited and controlled. In particular, we will study how genes coding for important growth factors are regulated so that the proper signals are sent to young cells to induce them to become bone-making rather than fat-making cells.
Dissecting The Role Of The IL-3 Receptor Alpha Subunit And Beta-catenin In Acute Myeloid Leukaemia
Funder
National Health and Medical Research Council
Funding Amount
$583,312.00
Summary
Leukaemia is a devastating form of blood cancer affecting both young and old. We aim to understand the mechanisms of uncontrolled cell growth associated with acute myeloid leukaemia. We focus on the role of key growth regulators that are abnormally active in the critical leukaemia stem cells. Understanding the biological and molecular properties of these cells is of considerable importance for development of the next generation of leukaemia therapies.
Diabetes mellitus is a disease reaching epidemic proprotions in the western world. Nearly one million Australians have diabetes mellitus; many of these people will suffer debilitating secondary complications, resulting in significant morbidity and mortality at considerable social and economic cost. Complications include heart attack, stroke, kidney disaease, blindness and limb amputation. There are two forms of diabetes (type I and type 2), and though there are considerable differences in their ....Diabetes mellitus is a disease reaching epidemic proprotions in the western world. Nearly one million Australians have diabetes mellitus; many of these people will suffer debilitating secondary complications, resulting in significant morbidity and mortality at considerable social and economic cost. Complications include heart attack, stroke, kidney disaease, blindness and limb amputation. There are two forms of diabetes (type I and type 2), and though there are considerable differences in their etiology, both forms result in an inability of the body to control blood sugar levels. Beta cells release the hormone insulin, which regulates blood sugar levels. Current knowledge suggests that a loss of beta cell mass is important for both diseases. For type I diabetes the beta cells are destroyed by the immune system. Though for type 2 diabetes the causes are less clear, it is apparent that the beta cells are dying. Our research is focused on understanding the molecular pathways that control beta cell survival and regulate their death. Such knowledge would help us understand the complex processes leading to the development of diabetes. Furthermore, we could use this knowledge in the design of genetic engineering strategies to create 'death-defying' beta cells, as a potential therapeutic strategy for the treatment of diabetes.Read moreRead less
A New Mechanism Of Tissue Fibrosis - A Small Peptide Regulator Of The TGF-beta1/Smad Pathway
Funder
National Health and Medical Research Council
Funding Amount
$768,757.00
Summary
Progressive scarring, or fibrosis, of organs leads to their loss of function. Fibrotic diseases are devastating to both the individual and our community and we lack effective therapies. We have identified a small protein, named SPRF, which represents a new mechanism in tissue fibrosis. These studies will examine the role of the SRPF protein in models of kidney, heart and lung fibrosis and its underlying mechanism of action. We will also test a therapy based on inhibiting SPRF function.
21,000 Australians receive kidney replacement therapy and many more die of kidney failure as a result of kidney fibrosis. TGF-?, a growth factor causing kidney fibrosis, is also anti-inflammatory and promotes healing. We aim to prove that targeting downstream messengers (Foxo/?-catenin) of TGF-? will prevent fibrosis while promoting TGF-?’s anti-inflammatory and healing actions. A successful outcome will lead to a novel cure for preventing kidney failure and failure of other organs.
The Role Of TGFB1 In The Pathophysiology Of Late Stage Schizophrenia
Funder
National Health and Medical Research Council
Funding Amount
$612,961.00
Summary
Schizophrenia is triggered in people with a genetic predisposition by as yet unknown environmental factors. Having shown that changes in gene expression in the brains of people with schizophrenia vary as the disease progresses, this application seeks to understand the changes in a pathway regulated by transforming growth factor ?1 that occur late in the progression of the illness. Understanding the changes in this important pathway could affect how people with schizophrenia are treated as their ....Schizophrenia is triggered in people with a genetic predisposition by as yet unknown environmental factors. Having shown that changes in gene expression in the brains of people with schizophrenia vary as the disease progresses, this application seeks to understand the changes in a pathway regulated by transforming growth factor ?1 that occur late in the progression of the illness. Understanding the changes in this important pathway could affect how people with schizophrenia are treated as their disorder progresses.Read moreRead less
Therapeutic Potential Of Transforming Growth Factor-beta Proteins For The Diagnosis And Treatment Of Female Infertility
Funder
National Health and Medical Research Council
Funding Amount
$942,961.00
Summary
We discovered and manufactured a growth factor produced uniquely by the egg. We named this growth factor cumulin. It is a powerful regulator of ovarian function and egg quality. This project will study the basic mechanisms of how cumulin works in the ovary. We will then develop an assay to measure it as a biomarker of human egg quality and quantity. New approaches in fertility preservation for cancer survivors will be developed using cumulin.
Transforming Growth Factor Beta As A Causal Factor In Human Osteoarthritis
Funder
National Health and Medical Research Council
Funding Amount
$634,359.00
Summary
Osteoarthritis (OA) is a common painful degenerative disease of the joints, which constitutes a major and growing public health problem, and for which there are no effective therapies. Our exciting recent research in the mouse has found that TGFb over-activity in the bone has a critical causal role in OA pathogenesis. Because TGFb silencing in bone could provide an entirely new way to slow the progression of OA, we propose to investigate this pathway in human OA.